CVE-2025-67843CRITICAL 9.8EPSS p60.0%

CVE-2025-67843CVE-2025-67843

Description

A Server-Side Template Injection (SSTI) vulnerability in the MDX Rendering Engine in Mintlify Platform before 2025-11-15 allows remote attackers to execute arbitrary code via inline JSX expressions in an MDX file.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.05% probability of exploitation · percentile 60.0% · 2026-06-18T12:00:27Z
Published2025-12-19
Last modified2026-01-02

Underlying weaknesses· 1

CWE-1336

References

  1. https://kibty.town/blog/mintlify/
  2. https://news.ycombinator.com/item?id=46317098
  3. https://www.mintlify.com/blog/working-with-security-researchers-november-2025
  4. https://www.mintlify.com/docs/changelog
  5. https://kibty.town/blog/mintlify/

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements Used in a Template Enginecwe-13360%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.